St Charles Weather Forecast

    • 58
    • 82

    Mostly Sunny

    • 58
    • 82

    Mostly Sunny

    • 67
    • 84

    Chance Thunderstorms

    • 73
    • 89

    Slight Chance Thunderstorms

    • 68
    • 90

    Chance Thunderstorms

    • 65
    • 85

    Partly Sunny

Today 26 Aug Cuming

Sunny. Highs in the lower 80s. Northwest Winds 10 to 15 Mph.

Tonight 26 Aug Cuming

Clear. Lows in the upper 50s. Northwest Winds 5 to 10 Mph.

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St Charles Temperature Statistics

August Temperature

Fremont Municipal Airport (26.1 miles)

  • Lowest 8 August, 2026

    57.6 °F

  • Average August

    73.6 °F

  • Highest 11 August, 2026

    91.6 °F

Climate (2021–2026)

Fremont Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    65 °F
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